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The efficacy of telavancin, a bactericidal lipoglycopeptide, was compared to that of vancomycin and linezolid against methicillin-resistant Staphylococcus aureus (MRSA) in a murine pneumonia model. Telavancin produced greater reductions in lung bacterial titer and mortality than did vancomycin and linezolid at human doses equivalent to those described by(More)
OBJECTIVES To assess the efficacy of telavancin, a rapidly bactericidal lipoglycopeptide, and three comparator agents in a murine model of pneumonia induced by methicillin-susceptible Staphylococcus aureus (MSSA). METHODS Female Bagg inbred albino c-strain (BALB/c) mice were rendered neutropenic and infected by intranasal inoculation (50 microL) of 10(7)(More)
Telavancin (TD-6424) is a novel lipoglycopeptide that produces rapid and concentration-dependent killing of clinically relevant gram-positive organisms in vitro. The present studies evaluated the in vivo pharmacodynamics of telavancin in the mouse neutropenic thigh (MNT) and mouse subcutaneous infection (MSI) animal models. Pharmacokinetic-pharmacodynamic(More)
Aminoglycosides are broad-spectrum antibiotics with particular clinical utility against life-threatening infections. As resistance to antibiotics, including aminoglycosides, continues to grow, there is a need for new and effective antimicrobial agents. ACHN-490 is a novel aminoglycoside in clinical development with activity against multidrug-resistant(More)
OBJECTIVES The efficacy of telavancin, a bactericidal lipoglycopeptide, was compared with vancomycin against methicillin-resistant Staphylococcus aureus (MRSA) in an immunocompromised murine model of bacteraemia. METHODS Immunocompromised mice were inoculated intraperitoneally with S. aureus ATCC 33591 and treated with two subcutaneous doses (once every(More)
The neonatal Fc receptor (FcRn) plays an important and well-known role in antibody recycling in endothelial and hematopoietic cells and thus it influences the systemic pharmacokinetics (PK) of immunoglobulin G (IgG). However, considerably less is known about FcRn's role in the metabolism of IgG within individual tissues after intravenous administration. To(More)
A known limitation of iodine radionuclides for labeling and biological tracking of receptor targeted proteins is the tendency of iodotyrosine to rapidly diffuse from cells following endocytosis and lysosomal degradation. In contrast, radiometal-chelate complexes such as indium-111-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (In-111-DOTA)(More)
Advances in monoclonal antibody (mAb) engineering, including phage-display technologies, have enabled the development of humanized, i.e., mouse complementarity determining region (CDR) residues grafted on to a human framework residues, as well as fully human antibodies with desirable pharmacokinetic (PK) and biodistribution properties. These engineered mAbs(More)
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